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Created attachment 137910 [details] Clean Ubuntu 12.4 and Netbeans 7.3 with endless please wait Netbeans freezes on - create new project - when using code completion in XHTML or Java files My problem began on 25.07.2013. On this day Ubuntu updated: openjdk-6-jdk from 6b27-1.12.5-0ubuntu0.12.04.1 to 6b27-1.12.6-1ubuntu0.12.04.2 openjdk-6-jre from 6b27-1.12.5-0ubuntu0.12.04.1 to 6b27-1.12.6-1ubuntu0.12.04.2 openjdk-6-jre-lib from 6b27-1.12.5-0ubuntu0.12.04.1 to 6b27-1.12.6-1ubuntu0.12.04.2 openjdk-6-jre-headless from 6b27-1.12.5-0ubuntu0.12.04.1 to 6b27-1.12.6-1ubuntu0.12.04.2 IMHO there is a bug between current Java 6 packages in Ubuntu 12.4 LTS (6b27-1.12.6-1ubuntu0.12.04.2) and Netbeans 7.3 as well as 7.3.1. I just prepared a clean Ubuntu 12.4 64bit installation VM within VirualBox. 1. Install Ubuntu 12.4 2. Install all updates 3. Install default openjdk-6-jdk and openjdk-6-jre 4. Install Netbeans 7.3 I run Netbeans, "create new project" and have the "endless please wait" problem! Would be great If somebody could have a look on that.
Bug nr 233269 is related.
Netbeans 7.3.1 is also affected. At the moment it is not possible to work with Netbeans and JDK6 in Ubuntu 12.4.
Could you attach a thread dump? Thanks. http://wiki.netbeans.org/GenerateThreadDump
Created attachment 137925 [details] ThreadDump from clean installation Ubuntu 12.4 with JDK6 and Netbeans 7.3
Please attach also the messages.log. http://wiki.netbeans.org/FaqLogMessagesFile
Created attachment 137935 [details] Messages log from clean install
There's nothing suspicious in the attached logs. Please reopen if you can reproduce this with the latest update of Oracle JDK 1.7, thanks.
I did reproduce with OpenJDK 6 on 12.10.
(In reply to comment #8) > I did reproduce with OpenJDK 6 on 12.10. Please reopen if you can reproduce this with the latest update of Oracle JDK 1.7, thanks.
Ubuntu use meta packages - default-jdk - default-jre and as for now they refer to JDK6! So every single Ubuntu desktop is affected by this problem.
Created attachment 138008 [details] Default JDK in Ubuntu 12.4 LTS
One suspicious aspect of running with 6b27-1.12.6 is multiple AWT event threads. This problem is not specific to running NetBeans, but happens also with a small Java application. The problem will not be fixed on NetBeans side and this bug will be closed wontfix. adamk, please switch to either OpenJDK 7 (available as openjdk-7-jdk package) or to an Oracle JDK 6 or 7. None of these exhibit the problem.
JDK bug #8021890 has been filed for the problem.
I just reported it in launchpad. There are already multiple bugs related to current openjdk-6 version. Netbeans, Eclipse and and and are affected. https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bugs?orderby=-id&start=0 Thank you for your patience Netbeans Team Bye Adam
*** Bug 233338 has been marked as a duplicate of this bug. ***
Until a fix comes out, you can workaround the issue by downgrading open-jdk to the pre-update version. On Debian Wheezy this line works well: sudo apt-get install openjdk-6-jdk=6b27-1.12.5-1 openjdk-6-jre=6b27-1.12.5-1 openjdk-6-jre-headless=6b27-1.12.5-1 openjdk-6-jre-lib=6b27-1.12.5-1
*** Bug 234224 has been marked as a duplicate of this bug. ***
*** Bug 233975 has been marked as a duplicate of this bug. ***
*** Bug 234292 has been marked as a duplicate of this bug. ***
*** Bug 234290 has been marked as a duplicate of this bug. ***
*** Bug 233381 has been marked as a duplicate of this bug. ***
*** Bug 234191 has been marked as a duplicate of this bug. ***
*** Bug 234821 has been marked as a duplicate of this bug. ***
*** Bug 234332 has been marked as a duplicate of this bug. ***
*** Bug 235304 has been marked as a duplicate of this bug. ***
The suggested fix in comment 16 generated numerous errors. For my Ubuntu 12.04 LTS, I needed to use the following: sudo apt-get install openjdk-6-jre=6b24-1.11.1-4ubuntu2 openjdk-6-jre-headless=6b24-1.11.1-4ubuntu2 icedtea-6-jre-cacao=6b24-1.11.1-4ubuntu2 I was able to duplicate the behaviour after installing the Oracle JDK. But the thing is, the installation process is extremely complex, e.g. http://www.wikihow.com/Install-Oracle-Java-JRE-on-Ubuntu-Linux. For me, a lot of steps didn't work as indicated, so afterwards I wasn't confident that it was installed correctly. Someone seriously needs to find a way to automate this.
I also followed the steps in Comment 26 and this stopped NetBeans from hanging. However, I still had a problem when trying to connect to a remote site (Run Configuration). NetBeans generated an error, and the connection failed. For me, the resolution was to run the following: sudo apt-get install openjdk-6-jre=6b24-1.11.1-4ubuntu2 openjdk-6-jre-lib=6b24-1.11.1-4ubuntu2
*** Bug 236548 has been marked as a duplicate of this bug. ***
*** Bug 237290 has been marked as a duplicate of this bug. ***